document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=546324>Question 546324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ameya's average score for her first three psychology exams is 84. What must she get on the forth exam so that her average for the four exams is 85 or higher?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #355935 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=355935\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let<BR>\n" );
document.write( "Her score for forth exam = x\r<BR>\n" );
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document.write( "Given<BR>\n" );
document.write( "Average Score for 3 exams = 84<BR>\n" );
document.write( "Total score for 3 exams = 84*3=252<BR>\n" );
document.write( "Total exams = 4<BR>\n" );
document.write( "Average = 85 (for four exams)\r<BR>\n" );
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document.write( "sum of quantities / number of quantities = Average\r<BR>\n" );
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document.write( "(252+x)/4= 85<BR>\n" );
document.write( "252+x=85*4<BR>\n" );
document.write( "252+x=340<BR>\n" );
document.write( "x=340-252<BR>\n" );
document.write( "x=88\r<BR>\n" );
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document.write( "She must score 88 to get an average of 85.\r<BR>\n" );
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